Finding the Third Proportional to 273,743.30 and 366,171.89

Step by Step Solution

1. Step 1: Write the proportion equation
   273,743.30 : 366,171.89 = 366,171.89 : x
2. Step 2: Convert to fraction form
   273,743.30/366,171.89 = 366,171.89/x
3. Step 3: Cross multiply
   273,743.30x = 366,171.89 × 366,171.89
4. Step 4: Simplify right side
   273,743.30x = 134,081,853,483.89
5. Step 5: Solve for x
   x = 134,081,853,483.89/273,743.30
6. Step 6: Final answer
   x = 489,808.72